General description Tuya WiFi Air Quality Meter is a portable device designed to measure PM2.5 dust levels, temperature, and humidity. It features a user-friendly LED display and is easy to install, making it suitable for both home and office use. Technical specifications Type: Digital Dust Sampler Flow range: 180 (L/min) Continuous working time: 240 (min) Measuring range: PM2.5, temperature, and humidity Working temperature: 0-50 (℃) Power supply: Built-in lithium battery 1000mAh, USB charging Size: 100 x 95 x 47 mm Material: ABS Color: White Package Contents 1 x Detector 1 x USB Cable Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.